Acid is derived from Latin word “ACIDUS” means?
- (A) Sweet
- (B) Brittle
- (C) Sour
- (D) Salt
- (C) Sour
Acids turn the blue litmus paper into:
- (A) Orange
- (B) Yellow
- (C) Red
- (D) Green
- (C) Red
In strong basic solution the color of litmus is:
- (A) Blue
- (B) Pink
- (C) Yellow
- (D) Brown
- (A) Blue
Which of the following is used to remove rust stains on cloth?
- (A) Alcohol
- (B) Petrol
- (C) Kerosene
- (D) Oxalic acid
- (D) Oxalic acid
Alkalis turn the red litmus paper into:
- (A) Green
- (B) Orange
- (C) Blue
- (D) Purple
- (C) Blue
Which acid is found in apple?
- (A) Uric acid
- (B) Malic acid
- (C) Formic acid
- (D) Citric acid
- (B) Malic acid
What is the common name for sodium chloride?
- (A) Acid
- (B) Salt
- (C) Gandhak
- (D) Qalmi shora
- (B) Salt
The first acid known for man was:
- (A) Benzoic acid
- (B) Nitric acid
- (C) Acetic acid
- (D) Sulfuric acid
- (C) Acetic acid
We get tired because of excessive:
- (A) Activities
- (B) Heat
- (C) Lactic acid
- (D) Body weight
- (C) Lactic acid
Which acid is found in sour milk?
- (A) Malic acid
- (B) Acetic acid
- (C) Lactic acid
- (D) Nitric acid
- (C) Lactic acid